A simple app to make your calculations easier. Self-hostable.

Github repos for the three components: https://github.com/keepformula

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Convert any number into different numerical bases, such as binary, trinary, octal, and base-20.

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A website that takes a parrticular frequency (in KHz) and a duty cycle (at least 50%, or on half the time, off half the time) and calculates the values of the two resistors and the capacitor required to generate that frequency using a 555 IC.

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The subtle wit of Isaac Asimov.

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A simple webapp that calculates the resistor and capacitor values to make a 555 generate a signal of a particular frequency.

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Online app that converts file sizes into other units (i.e., megabytes into bytes, kilobytes into gigabytes).

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